Deadliest Catch is a reality TV series that airs on the Discovery Channel since 2005. The show follows fishing crews aboard fishing vessels in the dangerous waters of the Bering Sea as they hunt for king crabs and other valuable seafood while battling harsh weather conditions and physical exhaustion.
It is likely that the series title on the poster was written using Aachen Bold, a font created by Colin Brignall in 1969. This particular font is a commercial one, and additional information can be found here.